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| author | Benjamin Coddington <bcodding@redhat.com> | 2014-12-05 21:52:49 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-03-12 11:53:32 -0400 |
| commit | 09a330f4b9324e40947cc4fff13606719382c580 (patch) | |
| tree | c38c506e9678e89bc229e17146b1fd873ce15ea9 /fs/nfs/super.c | |
| parent | df137bc125b6155e54e6725faf0462b791a34c31 (diff) | |
| download | linux-stable-09a330f4b9324e40947cc4fff13606719382c580.tar.gz linux-stable-09a330f4b9324e40947cc4fff13606719382c580.tar.bz2 linux-stable-09a330f4b9324e40947cc4fff13606719382c580.zip | |
NFS: remount with security change should return EINVAL
A remount that alters security flavors can appear to succeed when it should
instead return -EINVAL. Check to see if the current security flavor exists
within the flavors specified in the remount options, and if not fail the
remount.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 322b2de02988..54a079a465e1 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2193,7 +2193,7 @@ nfs_compare_remount_data(struct nfs_server *nfss, data->version != nfss->nfs_client->rpc_ops->version || data->minorversion != nfss->nfs_client->cl_minorversion || data->retrans != nfss->client->cl_timeout->to_retries || - data->selected_flavor != nfss->client->cl_auth->au_flavor || + !nfs_auth_info_match(&data->auth_info, nfss->client->cl_auth->au_flavor) || data->acregmin != nfss->acregmin / HZ || data->acregmax != nfss->acregmax / HZ || data->acdirmin != nfss->acdirmin / HZ || @@ -2241,7 +2241,6 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) data->wsize = nfss->wsize; data->retrans = nfss->client->cl_timeout->to_retries; data->selected_flavor = nfss->client->cl_auth->au_flavor; - data->auth_info = nfss->auth_info; data->acregmin = nfss->acregmin / HZ; data->acregmax = nfss->acregmax / HZ; data->acdirmin = nfss->acdirmin / HZ; |